*Brand new and high quality. *Made of Army Grade hard oxidation Aluminum[thickness: more than 30 UM ] *Cool and fashionable design, Practical and durable. *Clip your keys or other things tightly and in order with the buffer rings. *The screws can unscrewed by coin. *Prevents your keys from making a noise, being missing, being broken, being scratched. *Protects you from being hurt by keys. *DIY fun, collect all the keys, EDC Tool such as (wrench, knife) etc in this key holder. This model can be to hold 2-10 keys. *Material: 6061-T6 aerospace aluminum (Body) + Stainless Steel (screw) *Size: 9.5cm x 3cm (Length x Wide), *Tube Diameter: 4mm and 8mm. *Color:Black, Gold, Blue, Red *Weight: 23g